What minimum number of slits would be required in a grating to resolve the sodium doublet in the fourth order? (i) 250; (ii) 400; (iii) 1000; (iv) 4000.
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What minimum number of slits would be
required in a grating to resolve the sodium doublet in the fourth order? (i) 250; (ii) 400; (iii) 1000;
(iv) 4000.
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